Bulletin Board

2.Configured to block eight different frequency bands continuously or simultaneously.3.With DIP Switch.Separete swicth for each band,accopanied with a working LED light.4.Total RF output power up tp 5.5 watt.5.Could be used in car directly. With car charger and AC charger.6. With Built-in Battery: 4000mA/h.Charge full time about 4Hours.Working time: 1.5 hours.7. Inside 2 cooling fans and heat sink design ensure the device to work continuously.